Description: 5V 4 Channel relay output modules, relay output contacts up to 250A 10A. With optocoupler. Standard interface, can be extended on various development boards. Be able to control various appliances, and other equipments with large current. It can be controlled directly by Micro-controller. Equiped with high-current relay, AC 250V 10A, DC 30V 10A. Indication LED's for Relay output status. Fixed screw holes, easy to install. Uses: Support all MCU control; Industrial field; PLC control; Home intelligent control. Size: 70x50mm/2.75x1.97 inch. Package Includes: 1 Piece 5V 4 channel relay module
